StopTech Slotted Sport Brake Rotors are premium 1-piece replacement brake discs for factory brake systems and stock calipers. This Front Left side rotor (126.63063SL) features specialized directional vacancy slots that evacuate gases and dust, improve cooling, and reduce brake fade. The rotor is finished with a black e-coating for superior corrosion resistance. Specifications per unit: 360mm diameter, 32mm thickness. Included in this position: 1x StopTech 126.63063SL Slotted Brake Rotor (Front Left). For a complete front set, use with part number 126.63063SR (Front Right).